The house inspector may have been in bed with the realtor, and in any case they are only concerned about stuff that they can be sued for later, which means only stuff over a few kilobucks or that poses a risk to life. This excludes a lot!
Get some books on home inspection and go over "your investment." The one below is the best I've seen so far. Borrow it through inter-library loan, you've already paid for this service with your tax dollars.
Amazon.com: Inspecting a House (For Pros by Pros): Rex Cauldwell: Books
Less than 1% landscape slope can mean drainage problems; that one got me and I'm still messing with it, on my own dime.
Watch for bathroom fans that exhaust to the attic.
If there are AFCIs in your breaker panel you may have hard-to-troubleshoot problems.
Look for mud tunnels or even just a slight mud stain on your basement walls.
If you're close to the pole transformer your incandescent lamps may burn out sooner and your stuff in general may not last as long as those people living at 114vac.
Vent your downspouts at least 3' from your house.
Slope the ground from your house on outwards.
Gutters should be pitched 1" in 10' or so.
No gutter cover works all the time; if there are deciduous trees within 100' feet of your house buy a ladder.
Best of luck!